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It is provided here as a shapefile (\u201cMaine_Mean_August_Baseflow_Map.zip\u201d) and published as a Web Map Service (WMS) layer that is hosted as a state map layer on the StreamStats web application for Maine (https://streamstats.usgs.gov/ss/).\n\nPlease note that the regression equation from Lombard and others (2021) used to calculate model-estimated mean August baseflow values was adapted for English units for this application. The adapted equation is as follows:\n\nBFaug = -0.623 + 0.00988AQ + 0.241JULYAVEPRE\n\nWhere BFaug is the mean August baseflow in cubic feet per second per square miles of drainage area; AQ is the fraction of the basin underlain by sand and gravel aquifers; and JULYAVEPRE is the basin-wide average of the mean July precipitation in inches. 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